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Round|Natural|GIA

6.05ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2528198933

Certificate GIA 2528198933

Diamond specifications and retailer prices

From $122,765 NZD
As of November 6, 2026
Save $44,403 NZD (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $167,168 NZD at Yorxs · As of November 6, 2026
View at Yorxs

About this 6.05ct natural round diamond

This 6.05ct natural round sits in the over five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2528198933. Listed at 6 retailers as of November 6, 2026, with prices from $122,765 to $167,168, a $44,403 spread on the same certified stone. Yorxs lists it at $167,168. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

6.05
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2528198933
Dimensions11.74 × 11.79 × 7.19 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
11.74 mm11.79 mm6.05 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2528198933
Side View
Table 60.0%Crown 32°GirdlePavilion 41.8°CuletDepth 61.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $152,014 NZD|Low: $121,616 NZD|High: $168,063 NZD|Avg: $140,915 NZD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 3$122,765 NZD
Retailer 4$128,815 NZD
Retailer 2$135,051 NZD
Retailer 1$152,014 NZD
Yorxs$167,168 NZD

39 data points across 5 retailers

6 retailers$122,765 NZD to $167,168 NZD

B+
Cheapest Retailer
-
$122,765 NZD
B+
Retailer 2
-
$128,815 NZD
View
B+
Retailer 3
-
$135,051 NZD
View
Retailer 4
-
$135,051 NZD
View
Price last confirmed 16 days ago
B
Retailer 5
-
$152,014 NZD
View
Most Expensive
B
Yorxs
M9122 · Nov 6
$167,168 NZD
€89,498 EUR
View
5 more retailers have this diamond
Prices start from $122,765 NZDSave up to $44,403 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
6.05ct Round
$122,765 NZD